smartctl
Display SMART info
smartctl -d sat --all /dev/sda
Show Power_On_Hours
smartctl -d sat --all /dev/sda|grep "Power_On_Hours"
Sample output
root@LORDAERON:/mnt/disk3/Docs3/Doco# smartctl -A -d marvell /dev/sda smartctl version 5.37 [arm-none-linux-gnueabi] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 33 3 Spin_Up_Time 0x0027 204 174 021 Pre-fail Always - 4758 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 337 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 195 000 Old_age Always - 0 9 Power_On_Hours 0x0032 017 017 000 Old_age Always - 60797 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 337 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 334 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 2 194 Temperature_Celsius 0x0022 105 098 000 Old_age Always - 45 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0 root@LORDAERON:/mnt/disk3/Docs3/Doco# smartctl -A -d marvell /dev/sdb smartctl version 5.37 [arm-none-linux-gnueabi] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 187 180 021 Pre-fail Always - 5633 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 316 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 024 024 000 Old_age Always - 56139 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 316 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 315 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 0 194 Temperature_Celsius 0x0022 105 098 000 Old_age Always - 45 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0 root@LORDAERON:/mnt/disk3/Docs3/Doco# smartctl -A -d marvell /dev/sdc smartctl version 5.37 [arm-none-linux-gnueabi] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 178 174 021 Pre-fail Always - 6083 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 306 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 040 040 000 Old_age Always - 44500 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 306 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 305 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 1 194 Temperature_Celsius 0x0022 104 097 000 Old_age Always - 46 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0 root@LORDAERON:/mnt/disk3/Docs3/Doco# smartctl -A -d marvell /dev/sdd smartctl version 5.37 [arm-none-linux-gnueabi] Copyright (C) 2002-6 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Attributes Data Structure revision number: 16 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x002f 200 200 051 Pre-fail Always - 0 3 Spin_Up_Time 0x0027 179 178 021 Pre-fail Always - 6025 4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 303 5 Reallocated_Sector_Ct 0x0033 200 200 140 Pre-fail Always - 0 7 Seek_Error_Rate 0x002e 200 200 000 Old_age Always - 0 9 Power_On_Hours 0x0032 029 029 000 Old_age Always - 52033 10 Spin_Retry_Count 0x0032 100 100 000 Old_age Always - 0 11 Calibration_Retry_Count 0x0032 100 100 000 Old_age Always - 0 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 303 192 Power-Off_Retract_Count 0x0032 200 200 000 Old_age Always - 302 193 Load_Cycle_Count 0x0032 200 200 000 Old_age Always - 1 194 Temperature_Celsius 0x0022 106 100 000 Old_age Always - 44 196 Reallocated_Event_Count 0x0032 200 200 000 Old_age Always - 0 197 Current_Pending_Sector 0x0032 200 200 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0030 100 253 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0 200 Multi_Zone_Error_Rate 0x0008 100 253 000 Old_age Offline - 0
References
Hard Drive Temperature Monitoring using Smartctl and RRDTool on Buffalo Linkstation Quad Pro NAS - https://josephlo.wordpress.com/2011/04/26/installing-rrdtool-on-buffalo-quad-pro/